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Greek Lithographic Stone

The First Air Liner

The “Deutschland” and its Ill-Fated Voyage

A New Microphone

The Hook-Worm of Industry

The Two Types of Organization

By Harrington Emerson

Safe Shipment and Storage of Explosives

Dynamite: And the Common Carrier

By B. W. Dunn

The Egg-Shaped Oval

The Geometry of a Little Understood Curve

By Frank McLees

Combined Turbines and Piston Engines

Electro-Plating Aluminium

Light and Electromagnetism

Electric Waves and the Electromagnetic Theory of Light

Recent Progress in Aviation.—II

The Present State of the Art

By Octave Chanute

Light Alloys

By Walter Rosenhain

The Rasmus Electric Hoist

An Exceptionally Light Machine

Thermal Microscopes

By Karl Herold

A New Lubricant

By M. Vorstmann

Heredity and Color Markings

Inheritance of Artificial Color Modifications

By Paul Kammerer

The Tin-Mining Industry of Cornwall

Mining Under The Sea

What is Pragmatism?

By Thomas Mitchell Shackleford

Production of Colloidal Solutions by means of Ultraviolet Rays

Engineering Notes

Science Notes

Aeronautic Notes


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